Home / 134,869.86-186,190.35-98,530.50

Finding the Fourth Proportional to 134,869.86, 186,190.35 and 98,530.50

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Solution

The fourth proportional to 134,869.86, 186,190.35 and 98,530.50 is: 136,023.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,869.86 : 186,190.35 = 98,530.50 : x
  2. Step 2: Convert to fraction form
    134,869.86/186,190.35 = 98,530.50/x
  3. Step 3: Cross multiply
    134,869.86x = 186,190.35 × 98,530.50
  4. Step 4: Simplify right side
    134,869.86x = 18,345,428,280.68
  5. Step 5: Solve for x
    x = 18,345,428,280.68/134,869.86
  6. Step 6: Final answer
    x = 136,023.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.